Read LG 19LU7000 (CHASSIS:LU7000) Service Manual online
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TROUBLESHOOTING
1. No power
(1) Symptom
1) Doesn't minute discharge at module.
2) Non does not come in into the front LED.
3) Check Off Mode.
2) Non does not come in into the front LED.
3) Check Off Mode.
(2)
Check follow
Is push the AC
Switch ?
Plug in power cord
Is connect the AC
Switch cable?
Replace AC switch
Is connect the Power
Board and 15p of Main
Board Cable?
Connect Cable
Replace fuse
After remove the cable connect to
Power Board (except the AC
switch cable and Power cord),
authorizes the AC voltage marking
on manual.
When 5V does not operate,
Yes
No
Is plug in power cord?
Yes
No
No
No
Yes
Yes
[AC Switch Value]
¾
¾
LU7000 Power B/D : CN1(AC Socket)
CN2(AC Switch)
Connect Cable
Yes
Is normal the
“Fuse” on Power
Board?
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